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What is the Least Common Multiple of 30968 and 30974?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 30968 and 30974 is 479601416.

LCM(30968,30974) = 479601416

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Least Common Multiple of 30968 and 30974 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30968 and 30974, than apply into the LCM equation.

GCF(30968,30974) = 2
LCM(30968,30974) = ( 30968 × 30974) / 2
LCM(30968,30974) = 959202832 / 2
LCM(30968,30974) = 479601416

Least Common Multiple (LCM) of 30968 and 30974 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30968 and 30974. First we will calculate the prime factors of 30968 and 30974.

Prime Factorization of 30968

Prime factors of 30968 are 2, 7, 79. Prime factorization of 30968 in exponential form is:

30968 = 23 × 72 × 791

Prime Factorization of 30974

Prime factors of 30974 are 2, 17, 911. Prime factorization of 30974 in exponential form is:

30974 = 21 × 171 × 9111

Now multiplying the highest exponent prime factors to calculate the LCM of 30968 and 30974.

LCM(30968,30974) = 23 × 72 × 791 × 171 × 9111
LCM(30968,30974) = 479601416